Zhongxian county used to be a country of Pakistan? Or the capital of Pakistan?

Pakistan was a country located in the southwest of Central Plains and the east of Sichuan Basin in the pre-Qin period of China. It began in the pre-Xia period, joined the Xia Dynasty in the early summer and became one of the vassal states, and died out in the Warring States and Qin Dynasties. The capital of Pakistan is Jiangzhou, which is now Yuzhong District of Chongqing.

Zhongxian is one of the birthplaces of Ba culture, so it should be said that Zhongxian belongs to Ba country.